Li Jia studies psychiatry in Hong Kong in a desperate attempt to escape a family genetic disease.

Li Jia meets the building supervisor, who tells him that he must move out if he wants to live.

Li Jia tells Cha Cha about the strange occurrences and learns about the death of a mother and son.

A young man goes to Hong Kong to study psychiatry for a personal and urgent reason.

Cha Cha and Shi Cheng look for Li Jia after receiving texts from his phone.

A young man goes to Hong Kong to study psychiatry for a personal and urgent reason.